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A third-party vendor may have leaked sensitive data such as social security numbers and passwordsiStock

US-based tax preparation firm TaxSlayer has admitted that thousands of user records may have been compromised in a data breach, leaving a slew of financial accounts and tax filings at risk. The breach, blamed on what it has called an “unauthorised third party”, was identified on 13 January as part of an ongoing security review.
The firm has said it believes usernames and passwords may have been accessed by the unknown hackers. Additionally, social security numbers and even previously filed tax returns are suspected to have been put at risk. According to SC Magazine, the hack has affected a total of 8,800 TaxSlayer users.